window.GenkiExercises = [
  // Lesson 0
  'lesson-0/hiragana-1|Hiragana|p.20-21',
  'lesson-0/hiragana-2|Hiragana: Diacritical Marks|p.21',
  'lesson-0/hiragana-3|Hiragana: Combos|p.21-22',
  'lesson-0/katakana-1|Katakana|p.24',
  'lesson-0/katakana-2|Katakana: Diacritical Marks|p.25',
  'lesson-0/katakana-3|Katakana: Combos|p.25',
  'lesson-0/katakana-4|Katakana: Additional Combos|p.26',
  'lesson-0/kana-match|Bonus: Match Hiragana and Katakana|p.20-21 & 24',
  'lesson-0/greetings|Greetings 1|p.32',
  'lesson-0/greetings-2|Greetings 2|p.32',
  'lesson-0/numbers-1|Vocabulary: Numbers 0-14|p.35',
  'lesson-0/numbers-2|Vocabulary: Numbers 15-100|p.35',
  
  // Lesson 1
  'lesson-1/vocab-1|Vocabulary: School|p.38',
  'lesson-1/vocab-2|Vocabulary: People and Time|p.38',
  'lesson-1/vocab-3|Vocabulary: Others and Expressions|p.38-39',
  'lesson-1/vocab-4|Vocabulary: Countries|p.39',
  'lesson-1/vocab-5|Vocabulary: Majors|p.39',
  'lesson-1/vocab-6|Vocabulary: Occupations|p.39-40',
  'lesson-1/vocab-7|Vocabulary: Family|p.40',
  'lesson-1/vocab-8|Practice Vocabulary: Year in School|p.46',
  'lesson-1/vocab-9|Practice Vocabulary: Age|p.47',
  'lesson-1/vocab-10|Practice Vocabulary: Time (Hours)|p.52',
  'lesson-1/vocab-11|Useful Expressions: Time (Minutes 1-10)|p.55',
  'lesson-1/vocab-12|Useful Expressions: Time (Minutes 11-30)|p.55',
  'lesson-1/literacy-wb-1|Hiragana (あ-こ)',
  'lesson-1/literacy-wb-2|Hiragana (さ-と)',
  'lesson-1/literacy-wb-3|Hiragana (な-ほ)',
  'lesson-1/literacy-wb-4|Hiragana (ま-よ)',
  'lesson-1/literacy-wb-5|Hiragana (ら-ん)',
  
  // Lesson 2
  'lesson-2/vocab-1|Vocabulary: Words that Point|p.58',
  'lesson-2/vocab-2|Vocabulary: Food|p.58',
  'lesson-2/vocab-3|Vocabulary: Things|p.58-59',
  'lesson-2/vocab-4|Vocabulary: Places and Countries|p.59',
  'lesson-2/vocab-5|Vocabulary: Majors and Family|p.59',
  'lesson-2/vocab-6|Vocabulary: Money Matters and Expressions|p.59',
  'lesson-2/vocab-7|Practice Vocabulary: Numbers (Hundreds)|p.67',
  'lesson-2/vocab-8|Practice Vocabulary: Numbers (Thousands)|p.67',
  'lesson-2/vocab-9|Practice Vocabulary: Numbers (Ten Thousands)|p.67',
  'lesson-2/vocab-10|Bonus Vocabulary: Food|p.76',
  'lesson-2/vocab-11|Useful Expressions: Classroom Objects|p.81',
  'lesson-2/vocab-12|Useful Expressions: In the Classroom|p.81',
  'lesson-2/literacy-wb-1|Katakana (ア-コ)',
  'lesson-2/literacy-wb-2|Katakana (サ-ト)',
  'lesson-2/literacy-wb-3|Katakana (ナ-ホ)',
  'lesson-2/literacy-wb-4|Katakana (マ-ヨ)',
  'lesson-2/literacy-wb-5|Katakana (ラ-ン)',
  
  // Lesson 3
  'lesson-3/vocab-1|Vocabulary: Entertainment and Sports|p.84',
  'lesson-3/vocab-2|Vocabulary: Foods and Drinks|p.84',
  'lesson-3/vocab-3|Vocabulary: Places and Time|p.84-85',
  'lesson-3/vocab-4|Vocabulary: U-verbs|p.85',
  'lesson-3/vocab-5|Vocabulary: Ru-verbs and Irregular Verbs|p.85',
  'lesson-3/vocab-6|Vocabulary: Adverbs|p.85',
  'lesson-3/vocab-7|Vocabulary: Adjectives and Expressions|p.85',
  'lesson-3/literacy-1|Kanji Practice: Readings|p.304-305',
  'lesson-3/literacy-2|Kanji Practice: Meanings|p.304-305',
  'lesson-3/literacy-3|Kanji Practice: Stroke Order|p.304-305',
  'lesson-3/literacy-4|Kanji Vocabulary: 一, 二, and 三|p.304',
  'lesson-3/literacy-5|Kanji Vocabulary: 四, 五, and 六|p.304',
  'lesson-3/literacy-6|Kanji Vocabulary: 七, 八, and 九|p.304-305',
  'lesson-3/literacy-7|Kanji Vocabulary: 十, 百, and 千|p.305',
  'lesson-3/literacy-8|Kanji Vocabulary: 万, 円, and 時|p.305',
  'lesson-3/literacy-wb-1|Kanji Writing Practice',

  // Lesson 4
  'lesson-4/vocab-1|Vocabulary: People and Things|p.104',
  'lesson-4/vocab-2|Vocabulary: Activities and Places|p.104',
  'lesson-4/vocab-3|Vocabulary: Time|p.105',
  'lesson-4/vocab-4|Vocabulary: U-verbs and Ru-verbs|p.105',
  'lesson-4/vocab-5|Vocabulary: Adverbs and Expressions|p.105',
  'lesson-4/vocab-6|Vocabulary: Location Words|p.106',
  'lesson-4/vocab-7|Useful Expressions: Days (1-15)|p.127',
  'lesson-4/vocab-8|Useful Expressions: Days (16-31)|p.127',
  'lesson-4/vocab-9|Useful Expressions: Months|p.127',
  'lesson-4/vocab-10|Useful Expressions: Time Words (Day and Week)|p.127',
  'lesson-4/vocab-11|Useful Expressions: Time Words (Month and Year)|p.127',
  'lesson-4/literacy-1|Kanji Practice: Readings|p.308-309',
  'lesson-4/literacy-2|Kanji Practice: Meanings|p.308-309',
  'lesson-4/literacy-3|Kanji Practice: Stroke Order|p.308-309',
  'lesson-4/literacy-4|Kanji Vocabulary: 日, 本, and 人|p.308',
  'lesson-4/literacy-5|Kanji Vocabulary: 月 and 火|p.308',
  'lesson-4/literacy-6|Kanji Vocabulary: 水, 木, and 金|p.308',
  'lesson-4/literacy-7|Kanji Vocabulary: 土, 曜, and 上|p.309',
  'lesson-4/literacy-8|Kanji Vocabulary: 下, 中, and 半|p.309',
  'lesson-4/literacy-wb-1|Kanji Writing Practice',
  
  // Lesson 5
  'lesson-5/vocab-1|Vocabulary: Nouns|p.130',
  'lesson-5/vocab-2|Vocabulary: い-adjectives|p.130-131',
  'lesson-5/vocab-3|Vocabulary: な-adjectives|p.131',
  'lesson-5/vocab-4|Vocabulary: U-verbs and Ru-verbs|p.131',
  'lesson-5/vocab-5|Vocabulary: Adverbs and Other Expressions|p.131',
  'lesson-5/literacy-1|Kanji Practice: Readings|p.312-313',
  'lesson-5/literacy-2|Kanji Practice: Meanings|p.312-313',
  'lesson-5/literacy-3|Kanji Practice: Stroke Order|p.312-313',
  'lesson-5/literacy-4|Kanji Vocabulary: 山, 川, and 元|p.312',
  'lesson-5/literacy-5|Kanji Vocabulary: 気, 天, and 私|p.312',
  'lesson-5/literacy-6|Kanji Vocabulary: 今, 田, and 女|p.312-313',
  'lesson-5/literacy-7|Kanji Vocabulary: 男, 見, and 行|p.313',
  'lesson-5/literacy-8|Kanji Vocabulary: 食 and 飲|p.313',
  'lesson-5/literacy-wb-1|Kanji Writing Practice',
  
  // Lesson 6
  'lesson-6/vocab-1|Vocabulary: Nouns 1|p.148',
  'lesson-6/vocab-2|Vocabulary: Nouns 2 and な-adjectives|p.148',
  'lesson-6/vocab-3|Vocabulary: U-verbs|p.148-149',
  'lesson-6/vocab-4|Vocabulary: Ru-verbs and Irregular Verbs|p.149',
  'lesson-6/vocab-5|Vocabulary: Adverbs and Other Expressions|p.149',
  'lesson-6/vocab-6|Useful Expressions: Directions|p.165',
  'lesson-6/literacy-1|Kanji Practice: Readings|p.318-319',
  'lesson-6/literacy-2|Kanji Practice: Meanings|p.318-319',
  'lesson-6/literacy-3|Kanji Practice: Stroke Order|p.318-319',
  'lesson-6/literacy-4|Kanji Vocabulary: 東, 西, and 南|p.318',
  'lesson-6/literacy-5|Kanji Vocabulary: 北, 口, and 出|p.318',
  'lesson-6/literacy-6|Kanji Vocabulary: 右, 左, and 分|p.318-319',
  'lesson-6/literacy-7|Kanji Vocabulary: 先, 生, and 大|p.319',
  'lesson-6/literacy-8|Kanji Vocabulary: 学, 外, and 国|p.319',
  'lesson-6/literacy-wb-1|Kanji Writing Practice',
  
  // Lesson 7
  'lesson-7/vocab-1|Vocabulary: Nouns 1|p.168',
  'lesson-7/vocab-2|Vocabulary: Nouns 2|p.168',
  'lesson-7/vocab-3|Vocabulary: い-adjectives and な-adjectives|p.168-169',
  'lesson-7/vocab-4|Vocabulary: U-verbs, Ru-verbs, and Irregular Verbs|p.169',
  'lesson-7/vocab-5|Vocabulary: Adverbs and Other Expressions|p.169',
  'lesson-7/vocab-6|Bonus Vocabulary: Counting People|p.174',
  'lesson-7/vocab-7|Useful Expressions: Parts of the Body|p.185',
  'lesson-7/literacy-1|Kanji Practice: Readings|p.324-325',
  'lesson-7/literacy-2|Kanji Practice: Meanings|p.324-325',
  'lesson-7/literacy-3|Kanji Practice: Stroke Order|p.324-325',
  'lesson-7/literacy-4|Kanji Vocabulary: 京, 子, and 小|p.324',
  'lesson-7/literacy-5|Kanji Vocabulary: 会, 社, and 父|p.324',
  'lesson-7/literacy-6|Kanji Vocabulary: 母, 高, and 校|p.324-325',
  'lesson-7/literacy-7|Kanji Vocabulary: 毎, 語, and 文|p.325',
  'lesson-7/literacy-8|Kanji Vocabulary: 帰 and 入|p.325',
  'lesson-7/literacy-wb-1|Kanji Writing Practice',
  
  // Lesson 8
  'lesson-8/vocab-1|Vocabulary: Nouns 1|p.188',
  'lesson-8/vocab-2|Vocabulary: Nouns 2|p.188',
  'lesson-8/vocab-3|Vocabulary: な-adjectives and U-verbs|p.188-189',
  'lesson-8/vocab-4|Vocabulary: Ru-verbs and Irregular Verbs|p.189',
  'lesson-8/vocab-5|Vocabulary: Adverbs and Other Expressions|p.189',
  'lesson-8/vocab-6|Vocabulary: Common Dishes in Japan|p.208',
  'lesson-8/vocab-7|Useful Expressions: At the Supermarket|p.209',
  'lesson-8/vocab-8|Useful Expressions: Supermarket Foods|p.209',
  'lesson-8/literacy-1|Kanji Practice: Readings|p.329-330',
  'lesson-8/literacy-2|Kanji Practice: Meanings|p.329-330',
  'lesson-8/literacy-3|Kanji Practice: Stroke Order|p.329-330',
  'lesson-8/literacy-4|Kanji Vocabulary: 員, 新, and 聞|p.329',
  'lesson-8/literacy-5|Kanji Vocabulary: 作, 仕, and 事|p.329',
  'lesson-8/literacy-6|Kanji Vocabulary: 電 and 車|p.329',
  'lesson-8/literacy-7|Kanji Vocabulary: 休, 言, and 読|p.330',
  'lesson-8/literacy-8|Kanji Vocabulary: 思, 次, and 何|p.330',
  'lesson-8/literacy-wb-1|Kanji Writing Practice',
  
  // Lesson 9
  'lesson-9/vocab-1|Vocabulary: Nouns 1|p.212',
  'lesson-9/vocab-2|Vocabulary: Nouns 2|p.212',
  'lesson-9/vocab-3|Vocabulary: い-adjectives and な-adjectives|p.212',
  'lesson-9/vocab-4|Vocabulary: U-verbs, Ru-verbs, and Irregular Verbs|p.213',
  'lesson-9/vocab-5|Vocabulary: Adverbs and Other Expressions|p.213',
  'lesson-9/vocab-6|Vocabulary: Numbers (used to count small items)|p.213',
  'lesson-9/vocab-7|Useful Expressions: Color Names|p.229',
  'lesson-9/vocab-8|Useful Expressions: Colors|p.229',
  'lesson-9/literacy-1|Kanji Practice: Readings|p.334-335',
  'lesson-9/literacy-2|Kanji Practice: Meanings|p.334-335',
  'lesson-9/literacy-3|Kanji Practice: Stroke Order|p.334-335',
  'lesson-9/literacy-4|Kanji Vocabulary: 午, 後, and 前|p.334',
  'lesson-9/literacy-5|Kanji Vocabulary: 名, 白, and 雨|p.334',
  'lesson-9/literacy-6|Kanji Vocabulary: 書, 友, and 間|p.334-335',
  'lesson-9/literacy-7|Kanji Vocabulary: 家, 話, and 少|p.335',
  'lesson-9/literacy-8|Kanji Vocabulary: 古, 知, and 来|p.335',
  'lesson-9/literacy-wb-1|Kanji Writing Practice',
  
  // Lesson 10
  'lesson-10/vocab-1|Vocabulary: Nouns 1|p.232',
  'lesson-10/vocab-2|Vocabulary: Nouns 2|p.232',
  'lesson-10/vocab-3|Vocabulary: い-adjectives and な-adjectives|p.233',
  'lesson-10/vocab-4|Vocabulary: U-verbs, Ru-verbs, and Irregular Verbs|p.233',
  'lesson-10/vocab-5|Vocabulary: Adverbs and Other Expressions|p.233',
  'lesson-10/vocab-6|Useful Expressions: At the Station 1|p.252',
  'lesson-10/vocab-7|Useful Expressions: At the Station 2|p.252',
  'lesson-10/vocab-8|Useful Expressions: At the Station 3|p.253',
  'lesson-10/literacy-1|Kanji Practice: Readings|p.340-341',
  'lesson-10/literacy-2|Kanji Practice: Meanings|p.340-341',
  'lesson-10/literacy-3|Kanji Practice: Stroke Order|p.340-341',
  'lesson-10/literacy-4|Kanji Vocabulary: 住, 正, and 年|p.340',
  'lesson-10/literacy-5|Kanji Vocabulary: 売, 買, and 町|p.340',
  'lesson-10/literacy-6|Kanji Vocabulary: 長, 道, and 雪|p.340-341',
  'lesson-10/literacy-7|Kanji Vocabulary: 立, 自, and 夜|p.341',
  'lesson-10/literacy-8|Kanji Vocabulary: 朝 and 持|p.341',
  'lesson-10/literacy-wb-1|Kanji Writing Practice',
  
  // Lesson 11
  'lesson-11/vocab-1|Vocabulary: Nouns 1|p.256',
  'lesson-11/vocab-2|Vocabulary: Nouns 2|p.256',
  'lesson-11/vocab-3|Vocabulary: U-verbs, Ru-verbs, and Irregular Verbs|p.256-257',
  'lesson-11/vocab-4|Vocabulary: Adverbs and Other Expressions|p.257',
  'lesson-11/vocab-5|Vocabulary: Occupations|p.257',
  'lesson-11/vocab-6|Useful Expressions: In Japanese Class|p.271',
  'lesson-11/vocab-7|Useful Expressions: Japanese Class Vocabulary 1|p.271',
  'lesson-11/vocab-8|Useful Expressions: Japanese Class Vocabulary 2|p.271',
  'lesson-11/literacy-1|Kanji Practice: Readings|p.346-347',
  'lesson-11/literacy-2|Kanji Practice: Meanings|p.346-347',
  'lesson-11/literacy-3|Kanji Practice: Stroke Order|p.346-347',
  'lesson-11/literacy-4|Kanji Vocabulary: 手, 紙, and 好|p.346',
  'lesson-11/literacy-5|Kanji Vocabulary: 近, 明, 病, and 院|p.346',
  'lesson-11/literacy-6|Kanji Vocabulary: 映, 画, and 歌|p.346-347',
  'lesson-11/literacy-7|Kanji Vocabulary: 市, 所, and 勉|p.347',
  'lesson-11/literacy-8|Kanji Vocabulary: 強, 有, and 旅|p.347',
  'lesson-11/literacy-wb-1|Kanji Writing Practice',
  
  // Lesson 12
  'lesson-12/vocab-1|Vocabulary: Nouns 1|p.274',
  'lesson-12/vocab-2|Vocabulary: Nouns 2|p.274',
  'lesson-12/vocab-3|Vocabulary: い-adjectives and な-adjectives|p.274-275',
  'lesson-12/vocab-4|Vocabulary: U-verbs, Ru-verbs, and Irregular Verbs|p.275',
  'lesson-12/vocab-5|Vocabulary: Adverbs and Other Expressions|p.275',
  'lesson-12/vocab-6|Useful Expressions: Health and Illness|p.293-294',
  'lesson-12/vocab-7|Useful Expressions: Doctor\'s Office Vocabulary|p.294',
  'lesson-12/literacy-1|Kanji Practice: Readings|p.352-353',
  'lesson-12/literacy-2|Kanji Practice: Meanings|p.352-353',
  'lesson-12/literacy-3|Kanji Practice: Stroke Order|p.352-353',
  'lesson-12/literacy-4|Kanji Vocabulary: 昔, 々, and 神|p.352',
  'lesson-12/literacy-5|Kanji Vocabulary: 早, 起, and 牛|p.352',
  'lesson-12/literacy-6|Kanji Vocabulary: 使, 働, and 連|p.352-353',
  'lesson-12/literacy-7|Kanji Vocabulary: 別 and 度|p.353',
  'lesson-12/literacy-8|Kanji Vocabulary: 赤, 青, and 色|p.353',
  'lesson-12/literacy-wb-1|Kanji Writing Practice',
  
  // Lesson 13
  'lesson-13/vocab-1|Vocabulary: Nouns 1|p.24',
  'lesson-13/vocab-2|Vocabulary: Nouns 2|p.24',
  'lesson-13/vocab-3|Vocabulary: い-adjectives and な-adjectives|p.24-25',
  'lesson-13/vocab-4|Vocabulary: U-verbs and Irregular Verbs|p.25',
  'lesson-13/vocab-5|Vocabulary: Adverbs and Other Expressions|p.25',
  'lesson-13/vocab-6|Vocabulary: Numbers Used to Count Days|p.25',
  'lesson-13/vocab-7|Useful Expressions: Bank Words|p.45',
  'lesson-13/vocab-8|Useful Expressions: At the Bank|p.45',
  'lesson-13/literacy-1|Kanji Practice: Readings|p.274-275',
  'lesson-13/literacy-2|Kanji Practice: Meanings|p.274-275',
  'lesson-13/literacy-3|Kanji Practice: Stroke Order|p.274-275',
  'lesson-13/literacy-4|Kanji Vocabulary: 物, 鳥, and 料|p.274',
  'lesson-13/literacy-5|Kanji Vocabulary: 理, 特, and 安|p.274',
  'lesson-13/literacy-6|Kanji Vocabulary: 飯, 肉, and 悪|p.274-275',
  'lesson-13/literacy-7|Kanji Vocabulary: 体, 同, 着, and 空|p.275',
  'lesson-13/literacy-8|Kanji Vocabulary: 港, 昼, and 海|p.275',
  'lesson-13/literacy-wb-1|Kanji Writing Practice',
  
  // Lesson 14
  'lesson-14/vocab-1|Vocabulary: Nouns 1|p.48',
  'lesson-14/vocab-2|Vocabulary: Nouns 2|p.48',
  'lesson-14/vocab-3|Vocabulary: Adjectives and Verbs|p.48-49',
  'lesson-14/vocab-4|Vocabulary: Adverbs and Other Expressions|p.49',
  'lesson-14/vocab-5|Vocabulary: Counters|p.49',
  'lesson-14/literacy-1|Kanji Practice: Readings|p.281-282',
  'lesson-14/literacy-2|Kanji Practice: Meanings|p.281-282',
  'lesson-14/literacy-3|Kanji Practice: Stroke Order|p.281-282',
  'lesson-14/literacy-4|Kanji Vocabulary: 彼, 代, and 留|p.281',
  'lesson-14/literacy-5|Kanji Vocabulary: 族, 親, and 切|p.281',
  'lesson-14/literacy-6|Kanji Vocabulary: 英, 店, and 去|p.281-282',
  'lesson-14/literacy-7|Kanji Vocabulary: 急, 乗, and 当|p.282',
  'lesson-14/literacy-8|Kanji Vocabulary: 音, 楽, 医, and 者|p.282',
  'lesson-14/literacy-wb-1|Kanji Writing Practice',
  
  // Lesson 15
  'lesson-15/vocab-1|Vocabulary: Nouns 1|p.72',
  'lesson-15/vocab-2|Vocabulary: Nouns 2|p.72',
  'lesson-15/vocab-3|Vocabulary: U-verbs|p.72-73',
  'lesson-15/vocab-4|Vocabulary: Ru-verbs and Irregular Verbs|p.73',
  'lesson-15/vocab-5|Vocabulary: Adverbs and Other Expressions|p.73',
  'lesson-15/vocab-6|Bonus Vocabulary: ～目|p.79',
  'lesson-15/vocab-7|Useful Expressions: Hotel Vocab|p.91',
  'lesson-15/vocab-8|Useful Expressions: At the Hotel|p.91',
  'lesson-15/literacy-1|Kanji Practice: Readings|p.286-287',
  'lesson-15/literacy-2|Kanji Practice: Meanings|p.286-287',
  'lesson-15/literacy-3|Kanji Practice: Stroke Order|p.286-287',
  'lesson-15/literacy-4|Kanji Vocabulary: 死, 意, and 味|p.286',
  'lesson-15/literacy-5|Kanji Vocabulary: 注, 夏, 魚, and 寺|p.286',
  'lesson-15/literacy-6|Kanji Vocabulary: 広, 足, and 転|p.286-287',
  'lesson-15/literacy-7|Kanji Vocabulary: 借, 走, and 場|p.287',
  'lesson-15/literacy-8|Kanji Vocabulary: 建, 地, and 通|p.287',
  'lesson-15/literacy-wb-1|Kanji Writing Practice',
  
  // Lesson 16
  'lesson-16/vocab-1|Vocabulary: Nouns 1|p.94',
  'lesson-16/vocab-2|Vocabulary: Nouns 2 and い-adjectives|p.94',
  'lesson-16/vocab-3|Vocabulary: U-verbs|p.94-95',
  'lesson-16/vocab-4|Vocabulary: Ru-verbs and Irregular Verbs|p.95',
  'lesson-16/vocab-5|Vocabulary: Adverbs and Other Expressions|p.95',
  'lesson-16/literacy-1|Kanji Practice: Readings|p.293-294',
  'lesson-16/literacy-2|Kanji Practice: Meanings|p.293-294',
  'lesson-16/literacy-3|Kanji Practice: Stroke Order|p.293-294',
  'lesson-16/literacy-4|Kanji Vocabulary: 供, 世, 界, and 全|p.293',
  'lesson-16/literacy-5|Kanji Vocabulary: 部, 始, and 週|p.293',
  'lesson-16/literacy-6|Kanji Vocabulary: 考, 開, and 屋|p.293-294',
  'lesson-16/literacy-7|Kanji Vocabulary: 方, 運, and 動|p.294',
  'lesson-16/literacy-8|Kanji Vocabulary: 教, 室, and 以|p.294',
  'lesson-16/literacy-wb-1|Kanji Writing Practice',
  
  // Lesson 17
  'lesson-17/vocab-1|Vocabulary: Nouns 1|p.116',
  'lesson-17/vocab-2|Vocabulary: Nouns 2|p.116',
  'lesson-17/vocab-3|Vocabulary: Adjectives and U-verbs|p.116-117',
  'lesson-17/vocab-4|Vocabulary: Ru-verbs and Irregular Verbs|p.117',
  'lesson-17/vocab-5|Vocabulary: Adverbs and Other Expressions|p.117',
  'lesson-17/vocab-6|Useful Expressions: At the Hair Salon|p.135',
  'lesson-17/vocab-7|Useful Expressions: Hair Salon Words|p.135',
  'lesson-17/literacy-1|Kanji Practice: Readings|p.299-300',
  'lesson-17/literacy-2|Kanji Practice: Meanings|p.299-300',
  'lesson-17/literacy-3|Kanji Practice: Stroke Order|p.299-300',
  'lesson-17/literacy-4|Kanji Vocabulary: 野, 習, and 主|p.299',
  'lesson-17/literacy-5|Kanji Vocabulary: 歳, 集, and 発|p.299',
  'lesson-17/literacy-6|Kanji Vocabulary: 表, 品, and 写|p.299-300',
  'lesson-17/literacy-7|Kanji Vocabulary: 真, 字, and 活|p.300',
  'lesson-17/literacy-8|Kanji Vocabulary: 結, 婚, and 歩|p.300',
  'lesson-17/literacy-wb-1|Kanji Writing Practice',
  
  // Lesson 18
  'lesson-18/vocab-1|Vocabulary: Nouns 1|p.138',
  'lesson-18/vocab-2|Vocabulary: Nouns 2 and Adjectives|p.138',
  'lesson-18/vocab-3|Vocabulary: U-verbs|p.138-139',
  'lesson-18/vocab-4|Vocabulary: Ru-verbs and Irregular Verbs|p.139',
  'lesson-18/vocab-5|Vocabulary: Adverbs and Other Expressions|p.139',
  'lesson-18/literacy-1|Kanji Practice: Readings|p.306-307',
  'lesson-18/literacy-2|Kanji Practice: Meanings|p.306-307',
  'lesson-18/literacy-3|Kanji Practice: Stroke Order|p.306-307',
  'lesson-18/literacy-4|Kanji Vocabulary: 目, 的, and 洋|p.306',
  'lesson-18/literacy-5|Kanji Vocabulary: 服, 堂, 力, and 授|p.306',
  'lesson-18/literacy-6|Kanji Vocabulary: 業, 試, and 験|p.306-307',
  'lesson-18/literacy-7|Kanji Vocabulary: 貸, 図, and 館|p.307',
  'lesson-18/literacy-8|Kanji Vocabulary: 終, 宿, and 題|p.307',
  'lesson-18/literacy-wb-1|Kanji Writing Practice',
  
  // Lesson 19
  'lesson-19/vocab-1|Vocabulary: Nouns 1|p.162',
  'lesson-19/vocab-2|Vocabulary: Nouns 2 and Adjectives|p.162',
  'lesson-19/vocab-3|Vocabulary: U-verbs|p.162-163',
  'lesson-19/vocab-4|Vocabulary: Ru-verbs and Irregular Verbs|p.163',
  'lesson-19/vocab-5|Vocabulary: Adverbs and Other Expressions|p.163',
  'lesson-19/literacy-1|Kanji Practice: Readings|p.313-314',
  'lesson-19/literacy-2|Kanji Practice: Meanings|p.313-314',
  'lesson-19/literacy-3|Kanji Practice: Stroke Order|p.313-314',
  'lesson-19/literacy-4|Kanji Vocabulary: 春, 秋, and 冬|p.313',
  'lesson-19/literacy-5|Kanji Vocabulary: 花, 様, and 不|p.313',
  'lesson-19/literacy-6|Kanji Vocabulary: 姉, 兄, 漢, and 卒|p.313-314',
  'lesson-19/literacy-7|Kanji Vocabulary: 工, 研, and 究|p.314',
  'lesson-19/literacy-8|Kanji Vocabulary: 質, 問, and 多|p.314',
  'lesson-19/literacy-12|Useful Expressions: Greeting Cards|p.320',
  'lesson-19/literacy-wb-1|Kanji Writing Practice',
  
  // Lesson 20
  'lesson-20/vocab-1|Vocabulary: Nouns 1|p.182',
  'lesson-20/vocab-2|Vocabulary: Nouns 2 and Adjectives|p.182',
  'lesson-20/vocab-3|Vocabulary: U-verbs|p.182-183',
  'lesson-20/vocab-4|Vocabulary: Ru-verbs and Irregular Verbs|p.183',
  'lesson-20/vocab-5|Vocabulary: Adverbs and Other Expressions|p.183',
  'lesson-20/literacy-1|Kanji Practice: Readings|p.321-322',
  'lesson-20/literacy-2|Kanji Practice: Meanings|p.321-322',
  'lesson-20/literacy-3|Kanji Practice: Stroke Order|p.321-322',
  'lesson-20/literacy-4|Kanji Vocabulary: 皿, 声, and 茶|p.321',
  'lesson-20/literacy-5|Kanji Vocabulary: 止, 枚, and 両|p.321',
  'lesson-20/literacy-6|Kanji Vocabulary: 無, 払, and 心|p.321-322',
  'lesson-20/literacy-7|Kanji Vocabulary: 笑, 絶, and 対|p.322',
  'lesson-20/literacy-8|Kanji Vocabulary: 痛, 最, and 続|p.322',
  'lesson-20/literacy-wb-1|Kanji Writing Practice',
  
  // Lesson 21
  'lesson-21/vocab-1|Vocabulary: Nouns 1|p.208',
  'lesson-21/vocab-2|Vocabulary: Nouns 2 and Adjectives|p.208',
  'lesson-21/vocab-3|Vocabulary: U-verbs|p.208-209',
  'lesson-21/vocab-4|Vocabulary: Ru-verbs and Irregular Verbs|p.209',
  'lesson-21/vocab-5|Vocabulary: Adverbs and Other Expressions|p.209',
  'lesson-21/literacy-1|Kanji Practice: Readings|p.328-329',
  'lesson-21/literacy-2|Kanji Practice: Meanings|p.328-329',
  'lesson-21/literacy-3|Kanji Practice: Stroke Order|p.328-329',
  'lesson-21/literacy-4|Kanji Vocabulary: 信, 経, and 台|p.328',
  'lesson-21/literacy-5|Kanji Vocabulary: 風, 犬, and 重|p.328',
  'lesson-21/literacy-6|Kanji Vocabulary: 初, 若, and 送|p.328-329',
  'lesson-21/literacy-7|Kanji Vocabulary: 幸, 計, and 遅|p.329',
  'lesson-21/literacy-8|Kanji Vocabulary: 配, 弟, and 妹|p.329',
  'lesson-21/literacy-wb-1|Kanji Writing Practice',

  // Lesson 22
  'lesson-22/vocab-1|Vocabulary: Nouns 1|p.230',
  'lesson-22/vocab-2|Vocabulary: Nouns 2|p.230',
  'lesson-22/vocab-3|Vocabulary: Adjectives and U-verbs|p.230-231',
  'lesson-22/vocab-4|Vocabulary: Ru-verbs and Irregular Verbs|p.231',
  'lesson-22/vocab-5|Vocabulary: Adverbs and Other Expressions|p.231',
  'lesson-22/literacy-1|Kanji Practice: Readings|p.334-335',
  'lesson-22/literacy-2|Kanji Practice: Meanings|p.334-335',
  'lesson-22/literacy-3|Kanji Practice: Stroke Order|p.334-335',
  'lesson-22/literacy-4|Kanji Vocabulary: 記, 銀, and 回|p.334',
  'lesson-22/literacy-5|Kanji Vocabulary: 夕, 黒, and 用|p.334',
  'lesson-22/literacy-6|Kanji Vocabulary: 末, 待, and 残|p.334-335',
  'lesson-22/literacy-7|Kanji Vocabulary: 駅, 番, and 説|p.335',
  'lesson-22/literacy-8|Kanji Vocabulary: 案, 内, 忘, and 守|p.335',
  'lesson-22/literacy-wb-1|Kanji Writing Practice',
  
  // Lesson 23
  'lesson-23/vocab-1|Vocabulary: Nouns 1|p.252',
  'lesson-23/vocab-2|Vocabulary: Nouns 2|p.252',
  'lesson-23/vocab-3|Vocabulary: Adjectives and U-verbs|p.252-253',
  'lesson-23/vocab-4|Vocabulary: Ru-verbs and Irregular Verbs|p.253',
  'lesson-23/vocab-5|Vocabulary: Adverbs and Other Expressions|p.253',
  'lesson-23/literacy-1|Kanji Practice: Readings|p.340-341',
  'lesson-23/literacy-2|Kanji Practice: Meanings|p.340-341',
  'lesson-23/literacy-3|Kanji Practice: Stroke Order|p.340-341',
  'lesson-23/literacy-4|Kanji Vocabulary: 顔, 悲, and 怒|p.340',
  'lesson-23/literacy-5|Kanji Vocabulary: 違, 変, and 比|p.340',
  'lesson-23/literacy-6|Kanji Vocabulary: 情, 感, and 調|p.340-341',
  'lesson-23/literacy-7|Kanji Vocabulary: 査, 果, and 化|p.341',
  'lesson-23/literacy-8|Kanji Vocabulary: 横, 相, and 答|p.341',
  'lesson-23/literacy-wb-1|Kanji Writing Practice',
  
  // Appendix
  'appendix/dictionary|Vocabulary Index (Dictionary)|p.352-383',
  'appendix/grammar-index|Grammar Index',

  // Study Tools
  'study-tools/custom-vocab|Custom Vocabulary Practice',
  'study-tools/custom-spelling|Custom Spelling Practice',
  'study-tools/custom-quiz|Custom Quiz',
  'study-tools/custom-written-quiz|Custom Written Quiz'
];
